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ChemicalBook >> CAS DataBase List >>2-Piperazine-4-amino-6,7-dimethoxyquinazoline

2-Piperazine-4-amino-6,7-dimethoxyquinazoline

2-Piperazine-4-amino-6,7-dimethoxyquinazoline Structure
2-Piperazine-4-amino-6,7-dimethoxyquinazoline structure
CAS No.
60547-97-9
Chemical Name:
2-Piperazine-4-amino-6,7-dimethoxyquinazoline
Synonyms
6,7-DIMETHOXY-2-(PIPERAZIN-1-YL)QUINAZOLIN-4-AMINE;Terazosin-004;Terazosin EP IMP C;Terazosin Impurity7;Prazosin EP Impurity C;Terazosin EP IMpurity C;Doxazosin EP Impurity G;Doxazocin ep impurity G;7-diMethoxyquinazoline HCl;2-(1-Piperazinyl)-4-aMino-6
CBNumber:
CB0686459
Molecular Formula:
C14H19N5O2
Molecular Weight:
289.33
MDL Number:
MFCD00563872
MOL File:
60547-97-9.mol
MSDS File:
SDS
Last updated:2026-05-27 22:51:06
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2-Piperazine-4-amino-6,7-dimethoxyquinazoline Properties

Melting point 219-221°C (dec.)
Boiling point 527.0±60.0 °C(Predicted)
Density 1.265±0.06 g/cm3(Predicted)
storage temp. Sealed in dry,2-8°C
solubility DMSO (Slightly), Methanol (Slightly)
form powder
pka 8.55±0.10(Predicted)
color White
CAS DataBase Reference 60547-97-9(CAS DataBase Reference)
FDA UNII 1X8JI3451K

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P264-P270-P271-P280-P301+P312+P330-P302+P352-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P362-P403+P233-P405-P501
Hazard Codes  Xi
HS Code  2933599590

2-Piperazine-4-amino-6,7-dimethoxyquinazoline price More Price(53)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich R733466 6,7-DIMETHOXY-2-(1-PIPERAZINYL)-4-QUINAZOLINAMINE AldrichCPR 60547-97-9 1 unit $152 2026-04-30 Buy
Sigma-Aldrich R733466 6,7-DIMETHOXY-2-(1-PIPERAZINYL)-4-QUINAZOLINAMINE AldrichCPR 60547-97-9 10MG $139 2024-03-01 Buy
TRC TRC-P480500-50MG 2-Piperazinyl-4-amino-6,7-dimethoxyquinazoline >95%(HPLC) 60547-97-9 50mg $292 2026-06-03 Buy
TRC TRC-P480500-1G 2-Piperazinyl-4-amino-6,7-dimethoxyquinazoline >95%(HPLC) 60547-97-9 1g $999 2026-06-03 Buy
TRC TRC-P480500-100MG 2-Piperazinyl-4-amino-6,7-dimethoxyquinazoline >95%(HPLC) 60547-97-9 100mg $336 2026-06-03 Buy
Product number Packaging Price Buy
R733466 1 unit $152 Buy
R733466 10MG $139 Buy
TRC-P480500-50MG 50mg $292 Buy
TRC-P480500-1G 1g $999 Buy
TRC-P480500-100MG 100mg $336 Buy

2-Piperazine-4-amino-6,7-dimethoxyquinazoline Chemical Properties, Uses, Production

Chemical Properties

White Solid

Uses

2-Piperazinyl-4-amino-6,7-dimethoxyquinazoline (Terazosin EP Impurity C) is a metabolite of Prazosin. It is also an impurity arising in the synthesis of Terazosin (T105000).

2-Piperazine-4-amino-6,7-dimethoxyquinazoline Preparation Products And Raw materials

Raw materials

Preparation Products

2-Piperazine-4-amino-6,7-dimethoxyquinazoline Suppliers

Global Suppliers ( 152)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Pure Chemistry Scientific Inc. 001-857-928-2050 or 1-888-588-9418 sales@chemreagents.com United States 10174 62
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
XiaoGan ShenYuan ChemPharm co,ltd 15527621225; 15527621225 1791901229@qq.com China 6742 52
Daicel Chiral Technologies (China)CO.,LTD 021-50460086-9 15921403865 han_yajun@dctc.daicel.com China 7909 65
Syntechem Co.,Ltd info@syntechem.com China 12973 57
ChemShuttle, Inc. 0510-83588313-811 18800520310 sales@chemshuttle.com China 2999 62
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-83725681-603 China 4484 50
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Capot Chemical Co., Ltd 66
Pure Chemistry Scientific Inc. 62
Shanghai Hanhong Scientific Co.,Ltd. 64
Chemsky（shanghai）International Co.,Ltd. 50
XiaoGan ShenYuan ChemPharm co,ltd 52
Daicel Chiral Technologies (China)CO.,LTD 65
Syntechem Co.,Ltd 57
ChemShuttle, Inc. 62
S.Z. PhyStandard Bio-Tech. Co., Ltd. 50

View Latest Price from 2-Piperazine-4-amino-6,7-dimethoxyquinazoline manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-Piperazine-4-amino-6,7-dimethoxyquinazoline pictures 2021-08-12 2-Piperazine-4-amino-6,7-dimethoxyquinazoline
60547-97-9
 $10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd
2-Piperazine-4-amino-6,7-dimethoxyquinazoline pictures 2020-01-13 2-Piperazine-4-amino-6,7-dimethoxyquinazoline
60547-97-9
 $3.00 1KG 98% 200KG Career Henan Chemical Co

60547-97-9 (2-Piperazine-4-amino-6,7-dimethoxyquinazoline ) Related Search:

Piperazine Dimethyldimethoxysilane 4-Dimethylaminobenzaldehyde 4-Dimethylaminobenzoic acid 3-Aminophenol
4-Dimethylaminopyridine 1,1-Dimethoxyethane 6-Aminocaproic acid Tris(hydroxymethyl)aminomethane Glycine
Aminoethoxyvinyl glycine hydrochloride 2-Piperazine-4-amino-6,7-dimethoxy quinoline hydrochloride Terazosin impurity (R)-Terazosin 2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine]
1-[4-(4-AMino-6,7-diMethoxy-2-quinazolinyl)-1-piperazinyl]-5-hydroxy-1-pentanone 6,7-DiMethoxy-2-(4-(tetrahydrofuran-2-carbonyl)piperazin-1-yl)quinazolin-4(1H)-one Terazosin EP IMpurity D

1of4

6,7-Dimethoxy-2(1-Piperazinyl)-Quinozoline 6,7-DIMETHOXY-2-(1-PIPERAZINYL)-4-QUINAZOLINAMINE 6,7-DIMETHOXY-2-PIPERAZIN-1-YL-QUINAZOLIN-4-YLAMINE 6,7-DIMETHOXY-2-PIPERAZINO-4-AMINOQUINAZOLINE 4-QUINAZOLINAMINE, 6,7-DIMETHOXY-2-(1-PIPERAZINYL) 2-(1-PIPERAZINYL)-4-AMINO-6,7-DIMETHOXYQUINAZOLINE 2-piperazine-4-amino-6,7-dimethoxyquinazoline 2-Piperzaine-4-Amino-6,7-Dimet 2-Piperzaine-4-Amino-6,7-Dimethoxy Quinazoline 2-PIPERAZINYL-6,7-DIMETHOXYQUINAZOLIN-4-AMINE 6,7-Dimethoxy-2-(1-piperzinyl)-4-quinazolinamine 6,7-dimethoxy-N-(piperazin-1-yl)quinazolin-2-amine 4-Amino-2-(1-piperazinyl)-6,7-dimethoxyquinazoline 2-(1-Piperazinyl)-4-aMino-6 7-diMethoxyquinazoline HCl 2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline HCl Terazosin EP IMpurity C 6,7-Dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine, 1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazine Doxazosin EP Impurity G Prazosin EP Impurity C Terazosin-004 Terazosin Impurity 2(Terazosin EP Impurity C) Terazosin EP Impurity C (Doxazosin Mesylate EP Impurity G) (Prazosin EP Impurity C) Terazosin EP IMP C Prazosin Impurity 3(Prazosin EP Impurity C) Terazosin Hydrochloride Impurity Ⅰ：1-(4-amino-6,7-dimethoxy-2-quinazolinyl) piperazine dihydrochloride Doxazosin Impurity 7（Doxazosin EP Impurity G） Terazosin Impurity7 6,7-dimethoxy-N-(1-piperazinyl)-2-quinazolinamine 6,7-Dimethoxy-2-(piperazin-1-yl)qui Doxazocin ep impurity G Terazosin EP Impurity C (USP RC A) 6,7-Dimethoxy-2-piperazino-4-quinazolinylamine Doxazosin Mesilate Impurity G Prazosin Hydrochloride Impurity C Terazosin Hydrochloride Dihydrate Impurity C Doxazosin Mesilate EP Impurity G Prazosin Hydrochloride EP Impurity C Terazosin Hydrochloride Dihydrate EP Impurity C Terazosin USP Related Compound A Terazosin EP Impurity C (Doxazosin EP Impurity G, Prazosin EP Impurity C) Terazosin Hydrochloride Impurity Ⅰ：1-(4-amino-6,7-dimethoxy-2-quinazolinyl) piperazine dihydrochloride Terazosin EP Impurity C (Terazosin USP Related Compound A (Free Form), Doxazosin EP Impurity G, Prazosin EP Impurity C) Terazosin EP Impurity C/Terazosin USP Related Compound A / Terazosin Piperazinyl-ADMQ (USP) Prazosin Impurity 3 (Prazosin Hydrochloride EP Impurity C) 6,7-DIMETHOXY-2-(PIPERAZIN-1-YL)QUINAZOLIN-4-AMINE 92-Piperazinyl-4-amino-6,7-diMethoxyquinazoline Prazosin Intermediate / Doxazosin Intermediate 60547-97-9 C14H19N5O2 Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals Doxazosin Mesylate